Iridium Power ITV22 Spark Plug

The Denso 5340 ITV22 Iridium Power spark plug is engineered for enhanced ignition performance, featuring a fine wire center electrode made of iridium with a 0.4mm tip. This design, along with a laser-welding process for the center electrode, contributes to reduced voltage requirements and improved firing efficiency. Construction details include machine-rolled threads to prevent seizing or cross-threading during installation and removal, a purified alumina powder insulator for exceptional strength and thermal conductivity, and a five-rib insulator to prevent flashover. A copper-glass seal bonds the center electrode and insulator, ensuring a gas-tight seal. The plug has a 12-month warranty and an expected longevity of 30,000 miles. Key specifications for the Denso ITV22 include a 14mm thread diameter, 1.25mm thread pitch, and a 25mm (1") reach. It has a 5/8" (16mm) hex size, a solid terminal type, and an ISO overall height. The pre-set gap is 0.031" (0.8mm). The ground electrode is made of nickel and features a U-Groove shape with a taper cut. This spark plug is designated as a resistor type with a value of 5k Ohm and has a heat range of 22. Torque specifications for installation are 7-15 lb. ft. for both cast iron and aluminum cylinder heads. Fitment information indicates compatibility with various 2014-2015 Cadillac CTS and XTS models. Additionally, the Denso ITV22 is noted as being one heat range colder than stock for applications such as the Ford Focus ST, which can be beneficial for modified or high-performance engines.